我乘坐了波士顿到纽约的穿梭巴士去出差。

I took the Boston-New York ___shuttle for my business trip.

机场和市中心之间有便捷的穿梭巴士服务。

There's a convenient ___shuttle service between the airport and the city center.

公司提供免费的穿梭巴士，将员工从停车场运送到办公室。

The company offers a free ___shuttle to transport employees from the parking lot to the office.